package com.study.agp;

import android.content.Context;

import androidx.test.platform.app.InstrumentationRegistry;
import androidx.test.ext.junit.runners.AndroidJUnit4;

import org.junit.Test;
import org.junit.runner.RunWith;

import static org.junit.Assert.*;

import com.study.agp.room.AppDatabase;
import com.study.agp.room.UserDao;
import com.study.agp.room.UserEntity;

/**
 * Instrumented test, which will execute on an Android device.
 *
 * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
 */
@RunWith(AndroidJUnit4.class)
public class ExampleInstrumentedTest {

    @Test
    public void useAppContext() {
        // Context of the app under test.
        Context appContext = InstrumentationRegistry.getInstrumentation().getTargetContext();
        assertEquals("com.study.agp", appContext.getPackageName());

        resetData(appContext);
    }

    private void resetData(Context context) {
        UserDao userDao = AppDatabase.getInstance(context).getUserDao();
        userDao.clearUserTable();
        long id = userDao.insert(new UserEntity("3", "zhang", 10));
        id = userDao.insert(new UserEntity("4", "zhang", 20));
        id = userDao.insert(new UserEntity("5", "wang", 30));
        System.out.println(id);
    }
}